Although it was unclear whether the Divine Book of Annihilation could kill a protagonist with a system, having it was definitely better than not having it.
With a heavy grunt, Jing Mingxuan asked through his inner voice, "Divine Book! According to what you've said, those guys with systems can also be completely eradicated?"
"Of course they can. The Divine Book of Annihilation is extremely powerful," the Divine Book replied with absolute certainty.
Chapter 225